/*-
 * #%L
 * HAPI FHIR JPA Server - Batch2 Task Processor
 * %%
 * Copyright (C) 2014 - 2025 Smile CDR, Inc.
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package ca.uhn.fhir.batch2.jobs.parameters;

import ca.uhn.fhir.jpa.api.svc.IBatch2DaoSvc;
import jakarta.annotation.Nonnull;
import jakarta.annotation.Nullable;

import java.util.Collections;
import java.util.List;

public class UrlListValidator implements IUrlListValidator {
	private final String myOperationName;
	private final IBatch2DaoSvc myBatch2DaoSvc;

	public UrlListValidator(String theOperationName, IBatch2DaoSvc theBatch2DaoSvc) {
		myOperationName = theOperationName;
		myBatch2DaoSvc = theBatch2DaoSvc;
	}

	@Nullable
	@Override
	public List<String> validateUrls(@Nonnull List<String> theUrls) {
		if (theUrls.isEmpty() && !myBatch2DaoSvc.isAllResourceTypeSupported()) {
			return Collections.singletonList("At least one type-specific search URL must be provided for "
					+ myOperationName + " on this server");
		}
		return Collections.emptyList();
	}
}
